.toast {
  font-size: 60px;
  position: fixed;
  top: -200%;
  left: 50%;
  transform: translate(-50%, 0);
  min-width: 600px;
  padding: 60px;
  background-color: rgba(0, 0, 0, .5);
  color: #fff;
  transition: all 0.5s;
}
.success {
  background-color: aquamarine;
}

.err {
  background-color: rgba(255, 100, 0, .3);
}

.waring {
  background-color: rgba(200 , 200, 0, .3);
}